Home / 55,404.20-82,989.30-36,693.20

Finding the Fourth Proportional to 55,404.20, 82,989.30 and 36,693.20

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Solution

The fourth proportional to 55,404.20, 82,989.30 and 36,693.20 is: 54,962.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,404.20 : 82,989.30 = 36,693.20 : x
  2. Step 2: Convert to fraction form
    55,404.20/82,989.30 = 36,693.20/x
  3. Step 3: Cross multiply
    55,404.20x = 82,989.30 × 36,693.20
  4. Step 4: Simplify right side
    55,404.20x = 3,045,142,982.76
  5. Step 5: Solve for x
    x = 3,045,142,982.76/55,404.20
  6. Step 6: Final answer
    x = 54,962.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.